Precalculus (6th Edition)

Published by Pearson
ISBN 10: 013421742X
ISBN 13: 978-0-13421-742-0

Chapter 4 - Inverse, Exponential, and Logarithmic Functions - 4.2 Exponential Functions - 4.2 Exercises - Page 431: 4


Domain:$\left(-\infty ,\infty \right) $ Range: $\left( 0,\infty \right) $

Work Step by Step

$f\left( x\right) =4^{x}$ Domain of this function is $\left( -\infty ,\infty \right) $ $f\left( -\infty \right) =4^{-\infty }=0;$ $f\left( \infty \right) =4^{\infty }=\infty $ Range is $\left( 0,\infty \right) $
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